Carbureter for explosion-motors.



.1. B uBARBAROU.

CABBURETER FOR EXPLOSION MOTORS.

APPLICATION FILED FEB. l. i916.

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MARIU-S JEAN BAPTISTE BARBAROU, 0F NEUILLY-SUR-SEINE, FRANCE, ASSIGNOR TO SOCIETE LORRAINE DES ANCIENS ETABLISSEMENTS DE DIETRICH c CIE DE LUNE- VILLE, OF PARIS, FRANCE.

Specification of Letters Patent.

Patented J une 5, 1917.

Application led February 1, 1916. Serial No. 75,491.

To all whom 'it may concern:

Be it known that I, MARIUs JEAN BAP- 'rrsrn BARBAROU, a citizen of the Republic of France, residing at 24 Rue St. James, Neuilly-sur-Seine, Seine, in the Republic of France, have invented new and useful Improvements in Carbureters for Explosion- Motors, of which the following is a specification.

This invention relates to improvements in carbureters for explosion motors comprising a comparatively great number of cylinders (six and eight cylinders). In the motors of this kind, the carbureter is generally arranged in several groups, that is to say that provision is made for instance for two complete carbureters as regards the essential working parts of the latter, each of these carbureters feeding a group of cylinders. In a six cylinder motor for instance, one of the carbureters will feed the three cylinders of the front group and the other carbureter the three cylinders of the rear group.

One of the great difliculties encountered to insure the good working of motors thus arranged consists in providing for each group of cylinders an equal Carburation as to quality and quantity, and particularly during the half load and lower period, and in supplying to each group the same weight of gas in the time unit. In starting, namely, when the feeding pipe is opened, it is indispensable that the obturation members open exactly at the same time and to the same extent.

The present invention has for is object a device allowing to obtain this result by means of a single obturator or valve, arranged in the suction pipe of the carbureter so as to afford at the same instant an equal opening in the dierent conduits supplying the explosive mixture to the corresponding groups of cylinders.

The accompanying drawing illustrates by way of example two forms of realization of the invention applied to a double carbureter feeding by two different pipings two groups of cylinders of an explosion motor.

Figures l and 2 show respectively an axial section and a cross section through line 2 2, Fig. 1 of a first form of construction of the invention.

Figs. 3 and i show similar views of a modified form of construction.

The two pipings leading from the carbureter to the motor are grouped together so as to form a single tube a divided into two separate conduits or pipes b, c by means of a straight 'wall CZ (Fig. 2), the left pipe o feeding for instance the front group of cylinders and the right pipe c feeding the rear group. On the wallV 0l is mounted a iiap e. The spindle f of said flap is snugly journaled in a slot of the wall Z and prevents any communication between the two pipes in all the positions ofthe iap owing to the contact of the cylindrical bearing surface of the spindle with the edges of the said slot 'Ihe iiap e is identical with the ordinary valve flaps, and the manufacture of the device can thus be performed under the same conditions as those required for single .flap pipes. Besides the opening moment for the right hand portion of the piping is exactly the same as the one for the left hand portion, and the opening angle is at every instant the same at the right and left. 'Ihere will never exist therefore a difference in the throttling of the two pipes, nor in the time of opening.

The device can be realized under several forms. In the one illustrated in Fig. 1, the two wings of the flap e are beveled and apply themselves on the corresponding bearing surfaces of the wall cZ. In the form illustrated in Fig. 3, the same result is obtained by merely `displacing the portions ofthe wall adjacent to the slot to an extent equal to the thickness of the wall, the other portions remaining in the axis of the tube. The wall d may be cast with the tube a or fixed therein.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:

l. An obturation device for double feeding pipes leading from the carbureters to the two groups of cylinders of an explosion motor comprising in combination a tube Zi, a median wall l dividing said tube into two conduits o c of equal cross section, a cross slot formed in said wall, and a valve flap e the spindle f of which is snugly journaled in the said slot and the two wings of which are respectively and symmetrically arranged in the two conduits, substantially as described and for the purpose set forth.

2. An obturation device for double feeding pipes leading from the carbureters to the two groups of cylinders of an explosion motor comprising in combination a tube a, a median wall Z dividing said tube into two conduits b c of equal cross section, a cross slot formed in said wall, a valve flap c the.

spindle f of which is snugly journaled in the said slot and the two wings of which are respectively and symmetrically arranged in the two conduits, and special wall portions formed adjacent to the cross slot so as to afford a snugly fitting of the valve flap against said wall when the flap is in the full open position, substantially as described and for the purpose set forth.

3. An obturation device for double feeding pipes leading from the carbureters of Copies of this patent may be obtained for the two groups of cylinders of an explosion motor, comprising in combination a tube, a median wall dividing said tube into two conduits of equal cross section, a cross slot formed in said wall, said wall heilig offset in opposite directions at opposite sides of said slot, a valve iiap, the spindle of which is snugly journaled in the said slot and the two wings of which are adaptedto rest in said offset portions when the flapV is in the full open position, substantially as described and for the purpose set forth.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

MARIUS JEAN BAPTISTE BARBAROU.

Witnesses:

ANTOINE LA'voIX, CHAs. P. PREssLY.

five cents each, byaddressing the Commissioner of Patents,

Washington, D. C. 

